Introduction
Thank you for your purchasing the TOPCON TECHNOHOUSE SR-LEDW/SR-
UL2/SR-UL1R/SR-3AR Spectroradiometer.
THIS INSTRUMENT HAS THE FOLLOWING FEATURES:
The SR-LEDW/SR-UL2/SR-UL1R/SR-3AR spectroradiometer measures PDP's, CRT's, LCD's
or the back light of LCD's, and light emitting objects such as LED's, and the reflected light of a
painted surface or printed matter can also be measured very low level luminance with a high
accuracy.
This manual provides an outline, basic operation and specifications of the SR-LEDW/SR-
UL2/SR-UL1R/SR-3AR. Always keep this manual at hand.